work on create calendar

src/Bundle/ChillCalendarBundle/Form/CalendarType.php

@@ -70,6 +70,7 @@ class CalendarType extends AbstractType
 
         if ($options['data'] instanceof Calendar && $options['data']->getId() === null) {
             $builder->add('mainUser', PickUserDynamicType::class, [
+                'multiple' => false,
                 'required' => true,
                 'help' => 'chill_calendar.form.The main user is mandatory. He will organize the appointment.',
             ]);
@@ -192,26 +193,6 @@ class CalendarType extends AbstractType
                     return $this->om->getRepository(Location::class)->findOneBy(['id' => (int) $id]);
                 }
             ));
-
-        $builder->add('invites', HiddenType::class);
-        $builder->get('invites')
-            ->addModelTransformer(new CallbackTransformer(
-                static function (iterable $usersAsIterable): string {
-                    $userIds = [];
-
-                    foreach ($usersAsIterable as $value) {
-                        $userIds[] = $value->getId();
-                    }
-
-                    return implode(',', $userIds);
-                },
-                function (?string $usersAsString): array {
-                    return array_map(
-                        fn (string $id): ?Invite => $this->om->getRepository(Invite::class)->findOneBy(['id' => (int) $id]),
-                        explode(',', $usersAsString)
-                    );
-                }
-            ));
     }
 
     public function configureOptions(OptionsResolver $resolver)